Dogs and brown grass
Paul,
Brown spots in the lawn are simply the results of over "fertilizing"
that particular patch of ground. You would get the same reaction if
you dumped too much Miracle Grow in one spot as well. The primary
constituent of canine urine that affects this is nitrogen - also the
primary active part of any commercial fertilizer. The nitrogen levels
are increased when your dog is ingesting more protein than it needs.
The excess protein is changed to urea nitrogen and excreted on the
lawn. Find a pet food with a protein level a couple points lower.
Otherwise the only solution is to dilute the "fertilizer" your dog
places on the lawn with water, large copious quantities of it
immediately after urination. Adding anything to the diet will not
resolve this problem, despite a hunderd urban myths to the contrary.
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